Question 1

At the end of 2 seconds an apple freely falling from rest has a speed of

Accepted Answer

A) 1 m/s. 
B) 5 m/s. 
C) 10 m/s. 
D) more than 10 m/s. 
A) 1 m/s. 
B) 5 m/s. 
C) 10 m/s. 
D) more than 10 m/s.

Question 2

Marie pushes horizontally on her desk,but not hard enough to get it moving.The friction force acting on the desk is

Accepted Answer

A) zero. 
B) equal to the weight of the desk. 
C) equal and opposite to her push. 
D) none of the above 
A) zero. 
B) equal to the weight of the desk. 
C) equal and opposite to her push. 
D) none of the above

Question 3

A crate is at rest on a horizontal floor,with nobody pushing.The friction force acting on the crate is

Accepted Answer

A) zero. 
B) equal to the weight of the crate. 
C) between zero and the weight of the crate. 
D) none of the above 
A) zero. 
B) equal to the weight of the crate. 
C) between zero and the weight of the crate. 
D) none of the above

Question 4

When sign painters Burl and Paul stand on opposite ends of a scaffold,the tensions in each of the two supporting ropes

Accepted Answer

A) are equal. 
B) depend on the relative weights of Burl and Paul. 
C) combine to equal zero. 
D) none of the above 
A) are equal. 
B) depend on the relative weights of Burl and Paul. 
C) combine to equal zero. 
D) none of the above

Question 5

When a 10-N object is suspended at rest by two equally-taut vertical strands of rope,the tension in each strand is

Accepted Answer

A) less than 5 N. 
B) 5 N. 
C) more than 5 N. 
D) 10 N. 
A) less than 5 N. 
B) 5 N. 
C) more than 5 N. 
D) 10 N.

Question 6

Six seconds after starting from rest,a freely-falling baseball has a speed of

Accepted Answer

A) 10 m/s. 
B) 30 m/s. 
C) 60 m/s. 
D) 70 m/s. 
A) 10 m/s. 
B) 30 m/s. 
C) 60 m/s. 
D) 70 m/s.

At the end of 2 seconds an apple freely falling from rest has a speed of

Marie pushes horizontally on her desk,but not hard enough to get it moving.The friction force acting on the desk is

A crate is at rest on a horizontal floor,with nobody pushing.The friction force acting on the crate is

When sign painters Burl and Paul stand on opposite ends of a scaffold,the tensions in each of the two supporting ropes

When a 10-N object is suspended at rest by two equally-taut vertical strands of rope,the tension in each strand is

Six seconds after starting from rest,a freely-falling baseball has a speed of

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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Exam 1: Patterns of Motion and Equilibrium

At the end of 2 seconds an apple freely falling from rest has a speed of

Marie pushes horizontally on her desk,but not hard enough to get it moving.The friction force acting on the desk is

A crate is at rest on a horizontal floor,with nobody pushing.The friction force acting on the crate is

When sign painters Burl and Paul stand on opposite ends of a scaffold,the tensions in each of the two supporting ropes

When a 10-N object is suspended at rest by two equally-taut vertical strands of rope,the tension in each strand is

Six seconds after starting from rest,a freely-falling baseball has a speed of

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters